package com.hwy.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.hwy.common.R;
import com.hwy.entity.Category;
import com.hwy.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@Slf4j
@RequestMapping("/category")
public class CategoryController {

    @Autowired
    private CategoryService categoryService;

    @PostMapping
    public R<String> save(@RequestBody Category category){

        categoryService.save(category);
        return R.success("新增分类成功。");
    }

    @GetMapping("/page")
    public R<Page> page(int page,int pageSize) {
        //构造分页构造器
        Page pageInfo = new Page(page,pageSize);

        //构造条件构造器
        LambdaQueryWrapper<Category> lambdaQueryWrapper = new LambdaQueryWrapper();

        lambdaQueryWrapper.orderByAsc(Category::getSort);

        //执行查询
        categoryService.page(pageInfo, lambdaQueryWrapper);

        return R.success(pageInfo);
    }

    @DeleteMapping
    public R<String> delete(Long ids){

//        categoryService.removeById(ids);
        categoryService.remove(ids);
        return R.success("删除成功！");
    }

    @PutMapping
    public R<String> update(@RequestBody Category category){
        categoryService.updateById(category);
        return R.success("修改成功");
    }

    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        //条件构造器
        LambdaQueryWrapper<Category> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        //添加条件
        lambdaQueryWrapper.eq(category.getType() != null ,Category::getType ,category.getType());
        //添加排序条件
        lambdaQueryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = categoryService.list(lambdaQueryWrapper);
        return R.success(list);
    }

}
